370 Mr. G. A. Boulengev on new 



radiately striated, 23-25^|, 2-2\ between lateral line and 

 ventral, 12 round caudal peduncle. Brown above, yellow 

 beneath, with a blackish lateral streak and a round black 

 spot at the base of the caudal fin ; dorsal, anal, and ventrals 

 orange ; a black spot usually present in the upper part of the 

 anterior half of the dorsal. 



Total length 80 mm. 



Numerous specimens from Omalu, headwaters of the 

 Aboina River, affluent of the Cross River, Southern Nigeria, 

 presented by Major G. E. Bruce. 



Allied to B. callipterus, Blgr. 



XLVI. — Descriptions of Three new Snakes discovered hy 

 Mr. G. L. Bates in South Cameroon. By G. A. 

 BOULENGEE, F.R.S. 



(Published by permission of the Trustees of the British Museum.) 



Typhlops batesii. 



Snout very prominent, rounded, with inferior nostrils. 

 Rostral large, the width of its upper portion about half that 

 of the head, the portion visible from below longer than 

 broad; nasa semidivided, the cleft proceeding from the first 

 labial ; prgeocular present, much narrower than the nasal 

 or the ocular, in contact with the first, second, and third 

 labials ; eyes hidden ; prajfrontal much enlarged, larger than 

 the supraocular ; four upper labials. Diameter of body 39 

 or 40 times in the total length ; tail broader than long, 

 ending in a spine. 28 scales round the body. Yellow ; 

 dorsal and lateral scales edged with daik olive-brown. 



Total length 390 mm. 



Three specimens from Bitye. 



Allied to T. ohtusus, Peters. 



Gonionotophis microps. 



Eye small, its diameter less than its distance from the 

 niouili. Rostral once and a half as broad as deep, visible 

 from above ; internasals about two- thirds as long as the 

 pvsefrontals ; frontal a little shorter than its distance from 

 the end of the snout, much shorter than the parietals ; loreal 

 as long as deep or a little longer than deep ; one prse- and 

 one or two postoculars ; temporals 1 -|- 2 ; seven upper labials, 



